Horizontal multi-stage, self-priming centrifugal pump with 1 hp motor, with excellent suction capacity even in the presence of air bubbles, featuring extremely quiet operation suitable for domestic water supply and pressurization, irrigation of gardens and general water movement. Pump sleeve is made of stainless steel, pressure and suction body and motor support made of techno polymer and the impeller is made of AISI 304 stainless steel. It is sealed with carbon/ceramic mechanical seal and has a built-in protection system to stop it when it is overloaded.